B4991-1000G — TERMINAL,FEEDTHRU

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

B4991-1000G: TERMINAL,FEEDTHRU.

The TERMINAL,FEEDTHRU is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, largest_width: 0.025 INCHES SINGLE END IN, overall_height: 1.000 INCHES1.000 INCHES IN, precious_material: GOLD, surface_treatment: NICKEL OVERALL FIRST LAYER, conductor_accommodation_type: SQUARE PIN ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 5940-01-039-9530, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

B4991-1000G

NSN: 5940-01-039-9530
FSC: 5940 — Lugs, Terminals, and Terminal Strips
CAGE: 29593 — CIRCUIT COMPONENTS INC. (USA)

SPECIFICATIONS

material	COPPER ALLOY OVERALL
largest_width	0.025 INCHES SINGLE END IN
overall_height	1.000 INCHES1.000 INCHES IN
precious_material	GOLD
surface_treatment	NICKEL OVERALL FIRST LAYER
conductor_accommodation_type	SQUARE PIN ALL ENDS
precious_material_and_weight	0.040 GOLD GRAINS, TROY
electrical_insulation_feature	UNINSULATED
precious_material_and_location	EXTERNAL SURFACES OUTER LAYER GOLD
surface_treatment_document_and_classification	MIL-G-45204 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL SECOND LAYER
NSN	5940-01-039-9530

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-G-45204 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL SECOND LAYER

•

PRECIOUS MATERIAL: GOLD

•

PRECIOUS MATERIAL AND WEIGHT: 0.040 GOLD GRAINS, TROY

•

ELECTRICAL INSULATION FEATURE: UNINSULATED

•

CONDUCTOR ACCOMMODATION TYPE: SQUARE PIN ALL ENDS

•

LARGEST WIDTH: 0.025 INCHES SINGLE END IN

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-G-45204 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL SECOND LAYER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE MOUNTING FACILITY SECOND LAYER
PRECIOUS MATERIAL	GOLD
PRECIOUS MATERIAL AND WEIGHT	0.040 GOLD GRAINS, TROY
ELECTRICAL INSULATION FEATURE	UNINSULATED
OVERALL HEIGHT	1.000 INCHES1.000 INCHES IN
CONDUCTOR ACCOMMODATION TYPE	SQUARE PIN ALL ENDS
LARGEST WIDTH	0.025 INCHES SINGLE END IN
SURFACE TREATMENT	NICKEL OVERALL FIRST LAYER
SURFACE TREATMENT	GOLD OVERALL SECOND LAYER

SUBSTITUTES & CROSS-REFERENCES 2

10034320-105Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

978515-1CReference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is B4991-1000G?

B4991-1000G is a TERMINAL,FEEDTHRU.

What parts can replace B4991-1000G?

There are 2 known substitutes for B4991-1000G: 10034320-105, 978515-1C. Substitute compatibility should be verified for your specific system.

What is the NSN for B4991-1000G?

B4991-1000G is cataloged in the U.S. Government catalog under NSN 5940-01-039-9530. This indicates validated use in U.S. government and defense supply chains.

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